50pieces black disposable anti dust mask breathable air fog respirators

soft and breathable, provides a effective protect, comfortable to wear. with good elastic ear-loop, which can be adjusted its tightness, one size for most adults or kids. the mask works like a active natural shield against any pollution like dust, germs, allergies, smoke, pollution, pollen, cold. suitable for household, public places and school, etc. material: non-woven cloth, color: black